/* UFUK Website - Core Styles v7
   Apple-inspired minimalist design system
   Version 7: Configurable Design System
   ========================================= */

/* ==========================================
   LOCAL FONTS
   ========================================== */

@font-face {
  font-family: 'Playfair Display';
  src: url('/assets/fonts/PlayfairDisplay-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Playfair Display';
  src: url('/assets/fonts/PlayfairDisplay-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* ==========================================
   THEME SYSTEM (V7 Architecture)
   ========================================== */

/* Light Theme (Default) */
:root,
[data-theme="light"] {
  /* Core Colors */
  --color-bg: #ffffff;
  --color-bg-secondary: #f5f5f7;
  --color-bg-tertiary: #e8e8ed;
  --color-text-primary: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-tertiary: #86868b;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-border: #d2d2d7;
  --color-border-light: #e8e8ed;

  /* Theme-specific */
  --header-bg: rgba(255, 255, 255, 0.8);
  --card-shadow: rgba(0, 0, 0, 0.08);
  --card-shadow-hover: rgba(0, 0, 0, 0.12);
  --overlay-bg: rgba(255, 255, 255, 0.95);
  --countdown-glow: rgba(0, 113, 227, 0.1);
}

/* Dark Theme - V7 PURE BLACK REQUIREMENT */
[data-theme="dark"] {
  /* V7: Absolute black background - NO gradients, NO gray bloom */
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-bg-tertiary: #141414;
  --color-text-primary: #f5f5f7;
  --color-text-secondary: #c7c7cc;
  --color-text-tertiary: #a1a1a6;
  --color-accent: #2997ff;
  --color-accent-hover: #4dabff;
  --color-border: #2a2a2a;
  --color-border-light: #1a1a1a;

  /* Theme-specific - V7: Pure backgrounds */
  --header-bg: rgba(0, 0, 0, 0.85);
  --card-shadow: rgba(0, 0, 0, 0.4);
  --card-shadow-hover: rgba(0, 0, 0, 0.6);
  --overlay-bg: rgba(0, 0, 0, 0.95);
  --countdown-glow: rgba(41, 151, 255, 0.15);
}

/* ==========================================
   V7 SEMANTIC TYPOGRAPHY TOKENS
   ========================================== */

:root {
  /* Universal Font Control (V7 2.1) */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-accent: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-numeric: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-arabic: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', 'Segoe UI', Tahoma, sans-serif;

  /* V7 Spring Motion Parameters */
  --spring-stiffness: 100;
  --spring-damping: 15;
  --spring-mass: 1;
  --spring-easing: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================
   DESIGN TOKENS
   ========================================== */

:root {
  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-hero: 3.5rem;
  --font-size-countdown: 5rem;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Letter Spacing */
  --tracking-tight: -0.022em;
  --tracking-normal: 0;
  --tracking-wide: 0.012em;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* UFUK Logo — independent from site typography */
  --logo-font-family: 'Inter', system-ui, sans-serif;
  --logo-font-size: 1.35rem;
  --logo-font-weight: 800;
  --logo-letter-spacing: 0.04em;
  --logo-text-transform: uppercase;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-theme: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --header-height: 64px;
}

/* ==========================================
   RESET & BASE
   ========================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

/* Smooth theme transition for all themed surfaces */
.header,
.nav__link,
.section--bg,
.footer,
.card,
.founder-card,
.founder-card__info,
input, textarea, select,
.page-header {
  transition: background-color var(--transition-theme), color var(--transition-theme), border-color var(--transition-theme), box-shadow var(--transition-theme);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

h1 {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  transition: color var(--transition-theme);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

strong {
  font-weight: var(--font-weight-semibold);
}

/* Editorial Italics - Used for emphasis, narrative, quotations */
.text-emphasis,
em.editorial {
  font-style: italic;
  color: var(--color-text-secondary);
}

.text-quote {
  font-style: italic;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
}

.text-legacy {
  font-style: italic;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-5xl) 0;
}

.section--compact {
  padding: var(--space-3xl) 0;
}

.section--bg {
  background-color: var(--color-bg-secondary);
  transition: background-color var(--transition-theme);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-bg); /* Solid fallback */
  background-color: var(--header-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

/* Ensure header visibility in dark theme */
[data-theme="dark"] .header {
  background-color: rgba(0, 0, 0, 0.95);
  border-bottom-color: #1a1a1a;
}

/* Ensure header visibility in light theme */
[data-theme="light"] .header {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom-color: #e5e5e5;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-family: var(--logo-font-family);
  font-size: var(--logo-font-size);
  font-weight: var(--logo-font-weight);
  letter-spacing: var(--logo-letter-spacing);
  text-transform: var(--logo-text-transform);
  color: var(--color-text-primary);
  transition: color var(--transition-theme);
}

.header__logo:hover {
  color: var(--color-text-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

.nav__link--active {
  color: var(--color-text-primary);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
}

.theme-toggle__icon--sun,
.theme-toggle__icon--moon {
  display: none;
}

[data-theme="light"] .theme-toggle__icon--moon {
  display: block;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

/* Mobile Navigation */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-base), background-color var(--transition-theme);
}

.nav__toggle-icon::before {
  top: -7px;
}

.nav__toggle-icon::after {
  top: 7px;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */

.main {
  padding-top: var(--header-height);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--space-lg);
}

.hero__title {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-xl);
  animation: heroFadeUp 1.2s ease-out both;
}

.hero__title em,
.hero__title i {
  font-style: italic;
}

.hero__title strong,
.hero__title b {
  font-weight: 700;
}

/* Ensure inline formatting tags inherit color everywhere */
strong, b, em, i, span {
  color: inherit;
}

@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: var(--leading-relaxed);
}

.hero__cta {
  display: inline-flex;
  gap: var(--space-md);
}

/* ==========================================
   COUNTDOWN COMPONENT (Apple-style)
   ========================================== */

.countdown {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.countdown__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-lg);
}

.countdown__display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
}

.countdown__group {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 100px;
}

.countdown__number {
  position: relative;
  font-size: var(--font-size-countdown);
  font-weight: var(--font-weight-bold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--color-text-primary);
  overflow: hidden;
  height: 1.1em;
}

.countdown__digit {
  display: inline-block;
  position: relative;
}

.countdown__digit-inner {
  display: block;
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.countdown__digit--changing .countdown__digit-inner {
  animation: countdownSlide 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes countdownSlide {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    transform: translateY(0);
  }
}

.countdown__unit {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-sm);
}

.countdown__separator {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-tertiary);
  padding: 0 var(--space-xs);
  align-self: flex-start;
  margin-top: 0.15em;
}

.countdown__event {
  margin-top: var(--space-2xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.countdown__event-name {
  font-style: italic;
  color: var(--color-accent);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ==========================================
   CARDS
   ========================================== */

.card {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              background-color var(--transition-theme), border-color var(--transition-theme);
}

.card:hover {
  box-shadow: 0 4px 24px var(--card-shadow);
  transform: translateY(-2px);
}

.card__title {
  margin-bottom: var(--space-md);
}

.card__text {
  color: var(--color-text-secondary);
}

/* ==========================================
   GRID LAYOUTS
   ========================================== */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ==========================================
   TIMELINE (Enhanced for History)
   ========================================== */

.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
  transition: background-color var(--transition-theme);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateX(-20px);
}

.timeline__item.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.timeline__item:hover::before {
  transform: scale(1.2);
}

.timeline__year {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.timeline__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.timeline__text {
  color: var(--color-text-secondary);
}

/* ==========================================
   LEGACY FOUNDERS SECTION
   ========================================== */

.founders {
  padding: var(--space-5xl) 0;
}

.founders__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.founder-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  background-color: var(--color-bg-secondary);
}

/* Background image */
.founder-card__bg {
  position: absolute;
  inset: 0;
  transition: transform 0.5s ease;
}

.founder-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-secondary);
}

/* Name + role bar at the bottom (always visible) */
.founder-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  text-align: center;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.founder-card__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
  margin-bottom: 2px;
}

.founder-card__role {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  font-style: italic;
}

/* Dark overlay with details on hover */
.founder-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 3;
}

.founder-card__overlay .founder-card__name {
  font-size: var(--font-size-base);
}

.founder-card__overlay .founder-card__role {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.founder-card:hover .founder-card__overlay {
  opacity: 1;
}

.founder-card:hover .founder-card__info {
  opacity: 0;
}

.founder-card:hover .founder-card__bg {
  transform: scale(1.05);
}

/* Links inside overlay */
.founder-card__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.founder-card__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background-color: rgba(255,255,255,0.15);
  color: #ffffff;
  transition: all var(--transition-fast);
}

.founder-card__link:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.founder-card__link svg {
  width: 16px;
  height: 16px;
}

.founder-card__profile-btn {
  display: inline-block;
  padding: 6px var(--space-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.founder-card__profile-btn:hover {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

/* Mobile touch: show overlay on tap via :focus-within */
@media (hover: none) {
  .founder-card:focus-within .founder-card__overlay {
    opacity: 1;
  }
  .founder-card:focus-within .founder-card__info {
    opacity: 0;
  }
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-header__subtitle em {
  font-style: italic;
  color: var(--color-text-tertiary);
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
  background-color: var(--color-bg-secondary);
  transition: background-color var(--transition-theme);
}

.page-header__title {
  margin-bottom: var(--space-md);
}

.page-header__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================
   ACHIEVEMENT LIST
   ========================================== */

.achievement {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: border-color var(--transition-theme);
}

.achievement:last-child {
  border-bottom: none;
}

.achievement__year {
  flex-shrink: 0;
  width: 80px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.achievement__content {
  flex: 1;
}

.achievement__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.achievement__text {
  color: var(--color-text-secondary);
}

.achievement__meta {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  font-style: italic;
  color: var(--color-text-tertiary);
}

/* ==========================================
   OUTPUT/PROJECT CARDS
   ========================================== */

.output-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              background-color var(--transition-theme), border-color var(--transition-theme);
}

.output-card:hover {
  box-shadow: 0 8px 32px var(--card-shadow-hover);
  transform: translateY(-4px);
}

.output-card__image {
  width: 100%;
  height: 200px;
  background-color: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  overflow: hidden;
  transition: background-color var(--transition-theme);
}

.output-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.output-card:hover .output-card__image img {
  transform: scale(1.05);
}

.output-card__body {
  padding: var(--space-xl);
}

.output-card__category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-sm);
}

.output-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.output-card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.contact-item {
  text-align: center;
  padding: var(--space-2xl);
}

.contact-item__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  transition: background-color var(--transition-theme);
}

.contact-item__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.contact-item__text {
  color: var(--color-text-secondary);
}

/* ==========================================
   CONTACT FORM
   ========================================== */

.form {
  max-width: 600px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background-color var(--transition-theme);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--countdown-glow);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form__textarea {
  resize: vertical;
  min-height: 150px;
}

.form__submit {
  width: 100%;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background-color: var(--color-bg-secondary);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border-light);
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.footer__brand {
  flex: 1;
  min-width: 200px;
}

.footer__logo {
  font-family: var(--logo-font-family);
  font-size: var(--logo-font-size);
  font-weight: var(--logo-font-weight);
  letter-spacing: var(--logo-letter-spacing);
  text-transform: var(--logo-text-transform);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  transition: color var(--transition-theme);
}

.footer__tagline {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.footer__nav {
  display: flex;
  gap: var(--space-3xl);
}

.footer__nav-group {
  min-width: 120px;
}

.footer__nav-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.footer__nav-list {
  list-style: none;
}

.footer__nav-link {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  transition: border-color var(--transition-theme);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll--fade {
  transform: none;
}

.animate-on-scroll--slide-left {
  transform: translateX(-30px);
}

.animate-on-scroll--slide-left.is-visible {
  transform: translateX(0);
}

.animate-on-scroll--slide-right {
  transform: translateX(30px);
}

.animate-on-scroll--slide-right.is-visible {
  transform: translateX(0);
}

/* Staggered animations for lists */
.animate-stagger > * {
  opacity: 0;
  transform: translateY(20px);
}

.animate-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-stagger.is-visible > *:nth-child(1) { transition-delay: 0.1s; }
.animate-stagger.is-visible > *:nth-child(2) { transition-delay: 0.2s; }
.animate-stagger.is-visible > *:nth-child(3) { transition-delay: 0.3s; }
.animate-stagger.is-visible > *:nth-child(4) { transition-delay: 0.4s; }
.animate-stagger.is-visible > *:nth-child(5) { transition-delay: 0.5s; }

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
  :root {
    --font-size-hero: 2.75rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-countdown: 4rem;
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .countdown__group {
    min-width: 80px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-hero: 2.25rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-countdown: 3rem;
    --space-5xl: 4rem;
    --space-4xl: 3rem;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  /* Mobile header actions alignment */
  .header__actions {
    gap: var(--space-xs);
  }

  .lang-switcher--buttons {
    gap: 0;
  }

  .lang-switcher__btn {
    padding: 4px 8px;
    min-width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-sm);
    transition: background-color var(--transition-theme);
  }

  .nav--open {
    display: flex;
  }

  .nav__link {
    width: 100%;
    text-align: center;
    padding: var(--space-md);
  }

  .nav__toggle {
    display: block;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .countdown__display {
    flex-wrap: wrap;
  }

  .countdown__separator {
    display: none;
  }

  .countdown__group {
    min-width: 70px;
  }

  .founders__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
  }

  .achievement {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .achievement__year {
    width: auto;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-hero: 1.875rem;
    --font-size-4xl: 1.5rem;
    --font-size-countdown: 2.5rem;
  }

  .btn {
    width: 100%;
  }

  .countdown__group {
    min-width: 60px;
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .header,
  .nav__toggle,
  .theme-toggle,
  .footer {
    display: none;
  }

  .main {
    padding-top: 0;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .countdown {
    display: none;
  }
}

/* ==========================================
   REDUCED MOTION
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ==========================================
   LANGUAGE SWITCHER
   ========================================== */

.lang-switcher {
  position: relative;
}

/* Dropdown Style */
.lang-switcher--dropdown {
  display: inline-block;
}

.lang-switcher__toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-switcher__toggle:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

.lang-switcher__icon {
  transition: transform var(--transition-fast);
}

.lang-switcher__toggle[aria-expanded="true"] .lang-switcher__icon {
  transform: rotate(180deg);
}

.lang-switcher__menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-xs);
  min-width: 120px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px var(--card-shadow);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.lang-switcher__toggle[aria-expanded="true"] + .lang-switcher__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switcher__item {
  border-bottom: 1px solid var(--color-border-light);
}

.lang-switcher__item:last-child {
  border-bottom: none;
}

.lang-switcher__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.lang-switcher__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

.lang-switcher__item--active .lang-switcher__link {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
}

/* Button Style */
.lang-switcher--buttons {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.lang-switcher__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-family);
  color: var(--color-text-tertiary);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  line-height: 1;
  min-width: 32px;
  height: 32px;
}

.lang-switcher__btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.lang-switcher__btn--active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: var(--countdown-glow);
}

/* Flag Style */
.lang-switcher--flags {
  display: flex;
  gap: var(--space-sm);
}

.lang-switcher__flag {
  display: block;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.lang-switcher__flag:hover {
  opacity: 0.8;
}

.lang-switcher__flag--active {
  opacity: 1;
}

.lang-switcher__flag img {
  display: block;
  border-radius: 2px;
}

/* ==========================================
   V7 COUNTDOWN ANIMATION SYSTEM
   Apple-Grade Spring Physics Motion
   ========================================== */

.countdown-v7 {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.countdown-v7 .countdown__display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.countdown-v7 .countdown__group {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.countdown-v7 .countdown__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.3;
  pointer-events: none;
}

.countdown-v7 .countdown__number-container {
  perspective: 200px;
  transform-style: preserve-3d;
}

.countdown-v7 .countdown__number {
  display: flex;
  font-size: var(--font-size-countdown, 5rem);
  font-family: var(--font-numeric);
  font-weight: var(--font-weight-bold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--color-text-primary);
}

.countdown-v7 .countdown__digit {
  display: inline-block;
  position: relative;
  min-width: 0.6em;
  text-align: center;
  overflow: hidden;
}

.countdown-v7 .countdown__digit-exit,
.countdown-v7 .countdown__digit-enter {
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.countdown-v7 .countdown__unit {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-sm);
}

.countdown-v7 .countdown__separator {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-tertiary);
  padding: 0 var(--space-xs);
  align-self: flex-start;
  margin-top: 0.1em;
}

/* ==========================================
   V7 SEMANTIC TYPOGRAPHY CLASSES
   ========================================== */

.headline-primary {
  font-family: var(--font-heading) !important;
  font-weight: var(--font-weight-bold) !important;
}

.headline-numeric {
  font-family: var(--font-numeric) !important;
  font-variant-numeric: tabular-nums;
}

.headline-accent {
  font-family: var(--font-accent) !important;
  font-style: italic;
}

.text-body {
  font-family: var(--font-base);
}

/* ==========================================
   V7 MOBILE NAVIGATION (Spring Animation)
   Only apply on mobile screens
   ========================================== */

@media (max-width: 768px) {
  .nav--spring {
    transform-origin: top center;
    transition: transform 500ms var(--spring-easing),
                opacity 300ms ease-out;
  }

  .nav--spring.nav--closed {
    transform: scaleY(0);
    opacity: 0;
  }

  .nav--spring.nav--open {
    transform: scaleY(1);
    opacity: 1;
  }

  /* Individual nav items with stagger */
  .nav--spring .nav__link {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 200ms ease-out, transform 300ms var(--spring-easing);
  }

  .nav--spring.nav--open .nav__link {
    opacity: 1;
    transform: translateY(0);
  }

  .nav--spring.nav--open .nav__link:nth-child(1) { transition-delay: 50ms; }
  .nav--spring.nav--open .nav__link:nth-child(2) { transition-delay: 100ms; }
  .nav--spring.nav--open .nav__link:nth-child(3) { transition-delay: 150ms; }
  .nav--spring.nav--open .nav__link:nth-child(4) { transition-delay: 200ms; }
  .nav--spring.nav--open .nav__link:nth-child(5) { transition-delay: 250ms; }
}

/* ==========================================
   V7 RTL SUPPORT (Arabic Layout)
   ========================================== */

[dir="rtl"],
html[lang="ar"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] body,
html[lang="ar"] body {
  font-family: var(--font-arabic);
}

/* Mirrored navigation */
[dir="rtl"] .header__inner {
  flex-direction: row-reverse;
}

[dir="rtl"] .nav {
  flex-direction: row-reverse;
}

[dir="rtl"] .header__actions {
  flex-direction: row-reverse;
}

/* Mirrored footer */
[dir="rtl"] .footer__inner {
  flex-direction: row-reverse;
}

[dir="rtl"] .footer__nav {
  flex-direction: row-reverse;
}

/* Timeline mirroring */
[dir="rtl"] .timeline {
  padding-left: 0;
  padding-right: var(--space-2xl);
}

[dir="rtl"] .timeline::before {
  left: auto;
  right: 0;
}

[dir="rtl"] .timeline__item::before {
  left: auto;
  right: calc(-1 * var(--space-2xl) - 5px);
}

/* Achievement mirroring */
[dir="rtl"] .achievement {
  flex-direction: row-reverse;
}

/* Text quote mirroring */
[dir="rtl"] .text-quote {
  border-left: none;
  border-right: 3px solid var(--color-accent);
  padding-left: 0;
  padding-right: var(--space-lg);
}

/* Form alignment */
[dir="rtl"] .form__label {
  text-align: right;
}

[dir="rtl"] .form__input,
[dir="rtl"] .form__textarea {
  text-align: right;
}

/* Cards grid doesn't need mirroring - CSS Grid handles it */

/* ==========================================
   V7 EVENT TRACKING DATA ATTRIBUTES
   ========================================== */

[data-track-event] {
  cursor: pointer;
}

/* ==========================================
   V7 THEME TRANSITION ENHANCEMENTS
   ========================================== */

.theme-transitioning * {
  transition-duration: 0ms !important;
}

/* Smooth theme transitions */
body,
.header,
.footer,
.card,
.section--bg,
.page-header {
  transition: background-color var(--transition-theme, 400ms) ease,
              color var(--transition-theme, 400ms) ease,
              border-color var(--transition-theme, 400ms) ease;
}

/* ==========================================
   V7 FORM VALIDATION STYLES
   ========================================== */

.form__input:invalid:not(:placeholder-shown),
.form__textarea:invalid:not(:placeholder-shown) {
  border-color: #ff3b30;
}

.form__input:valid:not(:placeholder-shown),
.form__textarea:valid:not(:placeholder-shown) {
  border-color: #34c759;
}

.form-message {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.form-message--success {
  background-color: rgba(52, 199, 89, 0.1);
  color: #34c759;
  border: 1px solid rgba(52, 199, 89, 0.3);
}

.form-message--error {
  background-color: rgba(255, 59, 48, 0.1);
  color: #ff3b30;
  border: 1px solid rgba(255, 59, 48, 0.3);
}

[data-theme="dark"] .form-message--success {
  background-color: rgba(48, 209, 88, 0.15);
  color: #30d158;
}

[data-theme="dark"] .form-message--error {
  background-color: rgba(255, 69, 58, 0.15);
  color: #ff453a;
}

/* ==========================================
   MEMBER PROFILE PAGE
   ========================================== */

.member-back {
  display: inline-block;
  margin-bottom: var(--space-xl);
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: opacity var(--transition-fast);
}

.member-back:hover {
  opacity: 0.7;
}

.member-hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.member-hero__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.member-hero__photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--color-border-light);
}

.member-hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-hero__name {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.member-hero__role {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.member-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.member-hero__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.member-hero__link:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.member-hero__link svg {
  width: 18px;
  height: 18px;
}

.member-hero__link--resume {
  background-color: var(--color-accent);
  color: #ffffff;
}

.member-hero__link--resume:hover {
  opacity: 0.85;
  background-color: var(--color-accent);
  color: #ffffff;
}

.member-hero__summary {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

.member-entry__list--spaced li {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-base);
}

.member-section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.member-entry {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.member-entry:last-child {
  border-bottom: none;
}

.member-entry__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.member-entry__header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.member-entry__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.member-entry__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.member-entry__detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.member-entry__list {
  list-style: none;
  padding: 0;
}

.member-entry__list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.member-entry__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.member-skills {
  display: grid;
  gap: var(--space-xl);
}

.member-skill-group__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.member-skill-group p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.member-publications {
  list-style: none;
  padding: 0;
}

.member-publications li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.member-publications li:last-child {
  border-bottom: none;
}

.member-languages {
  display: grid;
  gap: var(--space-sm);
}

.member-language {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
}

.member-language strong {
  color: var(--color-text);
}

.member-language span {
  color: var(--color-text-secondary);
}

@media (max-width: 640px) {
  .member-hero__inner {
    flex-direction: column;
    text-align: center;
  }

  .member-hero__links {
    justify-content: center;
  }

  .member-entry__header {
    flex-direction: column;
  }
}